Self-tapping bolt



FIG. 1 is an isometric view from the head end of a self-tapping bolt showing our new design;

FIG. 2 is an isometric view from the shank end of the self-tapping bolt;

FIG. 3 is a side elevational view thereof;

FIG. 4 is a plan view thereof;

FIG. 5 is an end view from the shank portion of the self-tapping bolt;

FIG. 6 is an end view from the head portion of the self-tapping bolt;

FIG. 7 is a reflected plan view thereof;

FIG. 8 is a side elevational view, taken on a side opposite FIG. 3; and,

FIG. 9 is a fragmentary cross-sectional view of the head portion taken in the plane 9—9 indicated in FIG. 6.

The sectional is shown fragmented for ease and clarity of illustration. 

The ornamental design for a self-tapping bolt, as shown and described. 